Portable work bench



FIG. 1 is a front perspective view of a portable work bench showing ournew design, with the support arms in an extended position.

FIG. 2 is a left side elevational view.

FIG. 3 is a right side elevational view.

FIG. 4 is a front elevational view.

FIG. 5 is a rear elevational view.

FIG. 6 is a top plan view; and

FIG. 7 is a bottom plan view.

The garage door, brick formations, and wood block disclosed therein arefor illustrative purposes only and do not form a part of the claimeddesign.

The ornamental design for a portable work bench, as shown and described.